/**
 * Created by Administrator on 2017/5/29.
 */
$(document).ready(function () {
    $('[data-exercises]').mouseover(function (e) {
        e.preventDefault();
        $('#dictionary').load('ajax/exercises-content.html .letter-exercises');
    }).mouseout(function (e) {
        e.preventDefault();
        $('#dictionary').empty();
    });
});